VG: Common stock, par value $0.001 per share; 596,950 shares authorized at June 30, 2011 and December 31, 2010; 227,118 and 223,454 shares issued at June 30, 2011 and December 31, 2010, respectively; 224,926 and 221,566 shares outstanding at June 30, 2011 and December 31, 2010, respectively